body{
    /*background-image: url('{{static_url("statics/pic/sys/bgp1.jpg")}}');*/
    /*background-image: url("../img/bgp1.jpg");*/
    background-repeat: no-repeat;
    margin:0px;
    padding-top: 18%;
    padding-left: 62%;
    background-size: 100%;
    width:100%;
    height:100%;
    overflow: hidden;
}
#login_div{
    width:30%;
    padding-top:5%;
    padding-left: 5%;
    padding-bottom: 2%;
}
.input_text{
    opacity: 0.5;
    height:30px;
    width:75%;
}
.button{
    width:25%;height:35px;opacity: 0.7
}